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Assessment of Minimal Clinically Important Improvement by Using Oral Health Impact Profile-14 in Behcet`s Disease

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2009 Vol.27, N°2 ,Suppl.53
PI 0079, PF 0084
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PMID: 19796539 [PubMed]

Received: 24/06/2009
Accepted : 24/08/2009
In Press: 02/12/2009
Published: 02/12/2009


The aim of this prospective study was to detect minimal clinically important improvement (MCII) of oral health impact profile-14 (OHIP-14) for assessing the effect of treatments for oral ulcers in Behçet`s disease (BD).
BD patients with active oral ulcers (F/M:36/22) were selected. Baseline and follow-up data were collected by clinical examinations and questionnaires. Patients rated their global impression of change (PGIC) measured by a transitional question. MCII was defined as the difference in mean change from baseline in OHIP-14 between patients with no response to therapy and patients with next higher level of response.
Approximately one third (29.3%) of the patients expressed an improvement during control examinations. A significant correlation was observed between raw change in OHIP-14 score and change in number of oral ulcers (r=0.69 p=0.017). Inactive patients increased from 44.1% in baseline to 58.8% in follow-up examination. A trend towards decreased number of oral ulcers was observed in follow-up (0.64±0.93) compared to baseline (1.44±1.92) in the improved group (p=0.096). According to regression analysis, PGIC was a significant predictor of change in raw OHIP-14 score. The threshold levels generated from the ROC analyses in OHIP-14 score best associated with clinically important improvement were -3.5 points (sensitivity: 80%, specificity: 88.6%) and -38.1% (sensitivity: 86.7%, specificity: 97.1%) respectively.
Changes in OHIP-14 scores seem to be a sensitive and valuable tool for the determination of MCII during follow-up of Behçet`s disease patients for oral disease assessment.

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